Home / 73,843.07-101,902.13-42,011.29

Finding the Fourth Proportional to 73,843.07, 101,902.13 and 42,011.29

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Solution

The fourth proportional to 73,843.07, 101,902.13 and 42,011.29 is: 57,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,843.07 : 101,902.13 = 42,011.29 : x
  2. Step 2: Convert to fraction form
    73,843.07/101,902.13 = 42,011.29/x
  3. Step 3: Cross multiply
    73,843.07x = 101,902.13 × 42,011.29
  4. Step 4: Simplify right side
    73,843.07x = 4,281,039,425.54
  5. Step 5: Solve for x
    x = 4,281,039,425.54/73,843.07
  6. Step 6: Final answer
    x = 57,974.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.